Gas engine



T. w; HAINLINE.

GAS ENGINE.

APPLICATION FILED MAY 11. 1920.

Patented May30,1922.

2 SHEETS-SHEET I.

T. W. HAINUNE.

GAS ENGINE.

APPLICATION FILED MAY 11, 1920.

. Patented m 30, 1922'.

2 SHEETS-SHEET 2.

3 T m w W UNITED STATES rATENT oerce.

THEODORE W. HAINLINE, 0F PORTLAND, OREGON, ASSIGNOR OF ONE-HALF TOROBERT S. 'WITTMEIER,

6F DENVER, COLORADO.

GAS ENGINE.

Application filed May 11,

To all whom it may concern:

Be it hereby known that I, THEODORE W. HAINLINE, a citizen of the UnitedStates, and resident of Portland, in the countyof Multnomah and State ofOregon, have invented a new and useful Improvement in Gas Engines,ofwhich the following is a specification.

.My invention relates more particularly to the reciprocating type of gasengines.

The objects of my invention are mainly to eliminate the excessive highspeed required by the usual types of two and four cycle engines; toprovide a means for dissipating the heat resulting from the combustionof the gases; to render possible the use of a. heavier oil for fuelpurposes, and to economize on space and weight in the design of theengine.

I attain these results in the manner described in the followingspecifications and illustrated in the accompanying drawings, in which:

Figure 1 isa side elevation of the engine of which Figure 2 is asectional plan through the cylinder and valve portion along the line 2-21n Figure 1. Figure 3 is a diagrammatic View showing the eccentricsettings. Figure 4 is a plan showing the means for operating the variousvalvesj Figure 5 is a diagrammatic view of'the ignition system.

Similar numbers of reference refer to the same or similar partsthroughout the several views.

Referring in detail to the drawings, 1 have constructed my device upon abase 6 in whose bearings 7 is journaled the crank shaft 8 on which aresecured the fly wheels 9 and the belt pulley 10. The usual form of crank11 and counter weights 12 are also employed, together with a cross-head13 and a connecting rod 14 as are now used in some types of steamengines.

For the purpose of this invention I have illustrated an air cooledcylinder 15 from which excess heat is radiated through the fins 16. Thecylinder 15 is closed on the end facing the crank shaft by means of thecylinder head 17 through which a piston rod 18 passes and with which itforms a compression tight fit through the action of the packing 19 andthe gland 20. The piston rod 18 is joinedito the connecting rod 14 bymeans of the cross-head pin 21. The opposite end of the cylinder 15 isclosed by Specification of Letters Patent. Patented May 30, 1922.

1920. Serial No. 380,690.

the cylinder head 22. Each of the cylinder heads 17 and 22 carries aspark plug 23 joined by the wires 24 to the commutator brushes 25 whichride on the commutator 26 which is secured on the crank shaft 8. The 80current passes from the commutator 26 through a master vibrator 2.7 andthe battery 28 to the plugs 23.

Near each end of th cylinder 15 I have provided an exhaust port 29 bothof which are controlled by the same slide valve 30 which is actuated bythe eccentric 31 by means of the connecting rod 32. I have illustratedthe exhaust as passing into the open air through the pipes 33.

On the opposite side of the cylinder15, and near each end of same, Ihave provided the intake ports 34 controlled in a similar" manner to theexhaust ports by means of the slide valve 35 which is actuated by theeccentric 36 through the rod 37. It will be noticed that both of-theexhaust ports and the intake ports are arranged to be actuated in pairsin the manner that when one intake port is closed, the other is open,and a 30 similar action is ports.

The piston 38 is mounted on the piston rod 18 and provided with pistonrings 39 and a central groove 40 which is joined by the 35 hole 41 tothe hollow portion 42 of the piston rod 18. This terminates in thecross-head pin 21 into which lubricant is forced from provided for theexhaust the lubricator 43 which is actuated by the arm 44 which engagesthe slot 45 in the connecting rod 14.

I will now describethe portion of my device which, in substance,constitutes an addition to a steam engine which is capable of convertingit into a gas engine. This consists of an auxilaryhigh pressure cylinder46 whose plunger 47 is attached to the rod 48 and is actuated by theeccentric 49 through the connecting rod 50 which transfers the motionfrom the eccentric 49 to the rod 51 and the arm 52 which is attached tothe plunger rod 48 which serves to actuate a high pressure cylinder 46at each intake port of the main cylinder 15. y

The eccentrics 31, 36 and 49 are so positioned onthe crank shaft that asthe p ston 38 moves from the dotted line position shown in Figure 2towardthe full line position shown in said figure, the valve 35 will bein position closing the inlet port 34 at the 1 "right hand end ofthefigure, and the charge compression piston 47 at the right hand end ofthe figure will move from the dotted line position to the full lineposition, compressing the charge which has been admitted pastthe valve55. In the meantime the valve 30 re mains in a position uncovering theexhaust port 29 at the right hand end of the figure until the momentwhen the piston 38 has reached nearly the full line position shown inthe said figure at which moment the valve 30 will be moved to closedposition while the piston is completing its stroke and simultaneouslywith, and during and immediately following the movement of the saidvalve 30 to closed position the valve 35 will be momentarily opened toadmitthe compressed charge into the scavenged end of the cylinden Asregards the period of the opening of the intake valve 35, the port 34remains uncovered until the moment when both the working and the chargecompression pistons have reached the limit of their strokes, when thevalve is immediately closed. As the clearance in the main cylinder 15 ismore than that'of the high pressure cylinder 46 it will be seen that theconfined gases expand in volume with a resulting reduction intemperature, which tends to dissipate the heat caused by the previouscombustion. The proper brush 25 now comes in contact with the segment ofthe commutator 26 and causes an ignition of the gas, thereby sending thepiston 38 to the opposite end of the cylinder 15 where a similaroperation takes place.

In illustrating my device it will be observed'that l have carried theconnecting rods 37 and 50 ,below and above the horizontal center line ofthe engine, but solely for the purpose of better illustrating theworking of the various parts.

Additional cooling properties are also secured by the hollow pistonconstruction and a perfect lubrication for the cylinder walls providedby applying the lubricant to the center of the piston from which itflows outward in both directions, thereby tending to keep the workingfaces free from any foreign matter or carbon deposits.

1 have not illustrated means'for lubricating the various working parts,such as the crank shaft, connecting rods, high pressure cylinder, etc.since any of thesemay be taken care of by the drip feed systems now incommon use.

It will be observed in the operation of my device that I employ slidevalves wherever a port is subjected to firing, as this tends to wipeaway any carbon deposits which may be formed, and that in thepositionwhere l have used the spring-operated valves that no combustion takesplace and the valve is.

kept cool by the constant passing of cool gm the cylinder, the cylinderhaving an inlet and an exhaust ort at each end, firing means at each endof tiie cylinder, charge compress ing means operating tocompress and deliver a charge alternately to the opposite ends of the cylinderthroughthe inlet ports, valves controlling the inlet and exhaust ports, andmeans operating to actuate the said valves in timed relation to thereciprocation of the piston and acting to maintain the exhaust port ateither end of the cylinder open and the corresponding inlet port closedduring the period of movement of the piston in the direction of thecorresponding end of the cylinder and until it has reached approximatelythe'limit of its stroke, to then move the exhaust valve to closedposition, and, simultaneously with and during and immediately followingthe movementof the exhaust valve to closed position, move the .inletvalve momentarily to open position.

2. In an internal combustion engine, a combustion cylinder, a pistonworking in the firing means at each end of the cylinder, chargecompressing means operating to compress and deliver a charge alternatelyto the opposite ends of the cylinder through the inlet ports, valvescontrolling the inlet and exhaust ports, and means operating .to actuatethe said valves in timed relation to the reciprocation of the piston ina manner to relatively gradually close the exhaust port at eitherend ofthe cylinder as the piston approaches the end of its stroke in thedirection of the corresponding end of the cylinder and to momentarilyopen and then close the corresponding inlet port while the exhaust valveis completing its movement to closed position whereby to permit theincoming charge to pass across the cylinder from the inlet to theexhaust side by the time the piston has reached the limit of its stroke.

3. In an internal combustion engine, a combustion cylinder, a pistonworking in the cylinder, the cylinder having an inlet and an exhaustport at each end, firing means at timed relation to the reciprocation ofthe means operating to actuate the said valves in pistons, the actuatingmeans for the exhaust valve operating to idle the valve in opening andclosing, and actuating, means for the inlet valve operating to effectrelatively uick opening and closing thereof and idling vt e valve inclosed position, the actuating:

means being effective to maintain the exhaust port at either end of thecylinder open and the corresponding inlet port closed during themovement of the piston in the direction of the corresponding end of thecylinder and until it has reached approximately the limit of its stroke,to then move the exhaust valve to its closed position, and, simulftaneously with and during and immediately following movement of theexhaust valve to closed position, move the inlet valve momentarily toopen position.

4. In an internal combustion engine, a combustion cylinder, a pistonWorking in the cylider, a cylinder having an inlet and an exhaust portat each end, firing means at each end of the cylinder, a chargecompression "cylinder located exteriorly of and at each end of thecombustion cylinder, the charge compression cylinders at theirrelatively remote ends being in communication with the combustioncylinder by way of the respective inlet ports, an intake manifold havingcommunication with the relatively remote ends of the charge compressioncylinders, check valves for controlling the supply to the chargecompression cylinders, pistons working in the charge compression der,valves controlling the inlet and exhaust.

ports of the combustion cylinder, and means for actuating the saidvalves in timed relation to the reciprocation of the first mentionedpiston.

THEODORE HAINLINE

